Home / 346,289.76-477,890.16-212,077.92

Finding the Fourth Proportional to 346,289.76, 477,890.16 and 212,077.92

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Solution

The fourth proportional to 346,289.76, 477,890.16 and 212,077.92 is: 292,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,289.76 : 477,890.16 = 212,077.92 : x
  2. Step 2: Convert to fraction form
    346,289.76/477,890.16 = 212,077.92/x
  3. Step 3: Cross multiply
    346,289.76x = 477,890.16 × 212,077.92
  4. Step 4: Simplify right side
    346,289.76x = 101,349,951,121.27
  5. Step 5: Solve for x
    x = 101,349,951,121.27/346,289.76
  6. Step 6: Final answer
    x = 292,673.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.